Iraq Terrorist groups - foreign based

Islamic Revolutionary Guard Corps -- Qods Force (IRGC-QF):

aim(s): back Iraq’s pro-government Shia militias by supplying two battalions of IRGC forces to jointly engage in combat against ISIS; provide weapons and munitions to Shia militants targeting US forces
area(s) of operations: Baghdad, Basrah, Karbala, Mosul, Samarra, Tikrit  

(2019)

Islamic State of Iraq and ash-Sham (ISIS): aim(s): replace the world order with a global Islamic state based in Iraq and Syria; expand its branches and networks in other countries; rule according to ISIS's strict interpretation of Islamic law
area(s) of operation: operational in the rural and desert areas of central and northern Iraq, primarily within and near Sunni populations, with some presence in major population areas (2018)